<?php
/**
 * PHPExcel
 *
 * Copyright (c) 2006 - 2013 PHPExcel
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA  02110-1301  USA
 *
 * @category   PHPExcel
 * @package    PHPExcel_Reader
 * @copyright  Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
 * @license    http://www.gnu.org/licenses/old-licenses/lgpl-2.1.txt	LGPL
 * @version    1.7.9, 2013-06-02
 */


/** PHPExcel root directory */
if (!defined('PHPEXCEL_ROOT'))
{
	/**
	 * @ignore
	 */
	define('PHPEXCEL_ROOT', dirname(__FILE__) . '/../../');

}

/**
 * PHPExcel_Reader_Excel2007
 *
 * @category     PHPExcel
 * @package      PHPExcel_Reader
 * @copyright    Copyright (c) 2006 - 2013 PHPExcel (http://www.codeplex.com/PHPExcel)
 */
class PHPExcel_Reader_Excel2007 extends PHPExcel_Reader_Abstract implements PHPExcel_Reader_IReader {
	/**
	 * PHPExcel_ReferenceHelper instance
	 *
	 * @var PHPExcel_ReferenceHelper
	 */
	private $_referenceHelper = null;

	/**
	 * PHPExcel_Reader_Excel2007_Theme instance
	 *
	 * @var PHPExcel_Reader_Excel2007_Theme
	 */
	private static $_theme = null;


	/**
	 * Create a new PHPExcel_Reader_Excel2007 instance
	 */
	public function __construct() {
		$this->_readFilter = new PHPExcel_Reader_DefaultReadFilter();
		$this->_referenceHelper = PHPExcel_ReferenceHelper::getInstance();
	}


	/**
	 * Can the current PHPExcel_Reader_IReader read the file?
	 *
	 * @param    string $pFilename
	 *
	 * @return    boolean
	 * @throws PHPExcel_Reader_Exception
	 */
	public function canRead($pFilename) {
		// Check if file exists
		if (!file_exists($pFilename))
		{
			throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
		}

		// Check if zip class exists
		if (!class_exists('ZipArchive', false))
		{
			throw new PHPExcel_Reader_Exception("ZipArchive library is not enabled");
		}

		$xl = false;
		// Load file
		$zip = new ZipArchive;
		if ($zip->open($pFilename) === true)
		{
			// check if it is an OOXML archive
			$rels = simplexml_load_string($this->_getFromZipArchive($zip, "_rels/.rels"));
			if ($rels !== false)
			{
				foreach ($rels->Relationship as $rel)
				{
					switch ($rel["Type"])
					{
						case "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument":
							if (basename($rel["Target"]) == 'workbook.xml')
							{
								$xl = true;
							}
							break;

					}
				}
			}
			$zip->close();
		}

		return $xl;
	}


	/**
	 * Reads names of the worksheets from a file, without parsing the whole file to a PHPExcel object
	 *
	 * @param    string $pFilename
	 *
	 * @throws    PHPExcel_Reader_Exception
	 */
	public function listWorksheetNames($pFilename) {
		// Check if file exists
		if (!file_exists($pFilename))
		{
			throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
		}

		$worksheetNames = array();

		$zip = new ZipArchive;
		$zip->open($pFilename);

		//	The files we're looking at here are small enough that simpleXML is more efficient than XMLReader
		$rels = simplexml_load_string($this->_getFromZipArchive($zip, "_rels/.rels")); //~ http://schemas.openxmlformats.org/package/2006/relationships");
		foreach ($rels->Relationship as $rel)
		{
			switch ($rel["Type"])
			{
				case "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument":
					$xmlWorkbook = simplexml_load_string($this->_getFromZipArchive($zip, "{$rel['Target']}")); //~ http://schemas.openxmlformats.org/spreadsheetml/2006/main");

					if ($xmlWorkbook->sheets)
					{
						foreach ($xmlWorkbook->sheets->sheet as $eleSheet)
						{
							// Check if sheet should be skipped
							$worksheetNames[] = (string)$eleSheet["name"];
						}
					}
			}
		}

		$zip->close();

		return $worksheetNames;
	}


	/**
	 * Return worksheet info (Name, Last Column Letter, Last Column Index, Total Rows, Total Columns)
	 *
	 * @param   string $pFilename
	 *
	 * @throws   PHPExcel_Reader_Exception
	 */
	public function listWorksheetInfo($pFilename) {
		// Check if file exists
		if (!file_exists($pFilename))
		{
			throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
		}

		$worksheetInfo = array();

		$zip = new ZipArchive;
		$zip->open($pFilename);

		$rels = simplexml_load_string($this->_getFromZipArchive($zip, "_rels/.rels")); //~ http://schemas.openxmlformats.org/package/2006/relationships");
		foreach ($rels->Relationship as $rel)
		{
			if ($rel["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument")
			{
				$dir = dirname($rel["Target"]);
				$relsWorkbook = simplexml_load_string($this->_getFromZipArchive($zip, "$dir/_rels/" . basename($rel["Target"]) . ".rels")); //~ http://schemas.openxmlformats.org/package/2006/relationships");
				$relsWorkbook->registerXPathNamespace("rel", "http://schemas.openxmlformats.org/package/2006/relationships");

				$worksheets = array();
				foreach ($relsWorkbook->Relationship as $ele)
				{
					if ($ele["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet")
					{
						$worksheets[(string)$ele["Id"]] = $ele["Target"];
					}
				}

				$xmlWorkbook = simplexml_load_string($this->_getFromZipArchive($zip, "{$rel['Target']}")); //~ http://schemas.openxmlformats.org/spreadsheetml/2006/main");
				if ($xmlWorkbook->sheets)
				{
					$dir = dirname($rel["Target"]);
					foreach ($xmlWorkbook->sheets->sheet as $eleSheet)
					{
						$tmpInfo = array(
								'worksheetName' => (string)$eleSheet["name"],
								'lastColumnLetter' => 'A',
								'lastColumnIndex' => 0,
								'totalRows' => 0,
								'totalColumns' => 0,
						);

						$fileWorksheet = $worksheets[(string)self::array_item($eleSheet->attributes("http://schemas.openxmlformats.org/officeDocument/2006/relationships"), "id")];

						$xml = new XMLReader();
						$res = $xml->open('zip://' . PHPExcel_Shared_File::realpath($pFilename) . '#' . "$dir/$fileWorksheet");
						$xml->setParserProperty(2, true);

						$currCells = 0;
						while ($xml->read())
						{
							if ($xml->name == 'row' && $xml->nodeType == XMLReader::ELEMENT)
							{
								$row = $xml->getAttribute('r');
								$tmpInfo['totalRows'] = $row;
								$tmpInfo['totalColumns'] = max($tmpInfo['totalColumns'], $currCells);
								$currCells = 0;
							}
							elseif ($xml->name == 'c' && $xml->nodeType == XMLReader::ELEMENT)
							{
								$currCells++;
							}
						}
						$tmpInfo['totalColumns'] = max($tmpInfo['totalColumns'], $currCells);
						$xml->close();

						$tmpInfo['lastColumnIndex'] = $tmpInfo['totalColumns'] - 1;
						$tmpInfo['lastColumnLetter'] = PHPExcel_Cell::stringFromColumnIndex($tmpInfo['lastColumnIndex']);

						$worksheetInfo[] = $tmpInfo;
					}
				}
			}
		}

		$zip->close();

		return $worksheetInfo;
	}


	private static function _castToBool($c) {
		//		echo 'Initial Cast to Boolean<br />';
		$value = isset($c->v) ? (string)$c->v : null;
		if ($value == '0')
		{
			return false;
		}
		elseif ($value == '1')
		{
			return true;
		}
		else
		{
			return (bool)$c->v;
		}

		return $value;
	} //	function _castToBool()


	private static function _castToError($c) {
		//		echo 'Initial Cast to Error<br />';
		return isset($c->v) ? (string)$c->v : null;
	} //	function _castToError()


	private static function _castToString($c) {
		//		echo 'Initial Cast to String<br />';
		return isset($c->v) ? (string)$c->v : null;
	} //	function _castToString()


	private function _castToFormula($c, $r, &$cellDataType, &$value, &$calculatedValue, &$sharedFormulas, $castBaseType) {
		//		echo 'Formula<br />';
		//		echo '$c->f is '.$c->f.'<br />';
		$cellDataType = 'f';
		$value = "={$c->f}";
		$calculatedValue = self::$castBaseType($c);

		// Shared formula?
		if (isset($c->f['t']) && strtolower((string)$c->f['t']) == 'shared')
		{
			//			echo 'SHARED FORMULA<br />';
			$instance = (string)$c->f['si'];

			//			echo 'Instance ID = '.$instance.'<br />';
			//
			//			echo 'Shared Formula Array:<pre>';
			//			print_r($sharedFormulas);
			//			echo '</pre>';
			if (!isset($sharedFormulas[(string)$c->f['si']]))
			{
				//				echo 'SETTING NEW SHARED FORMULA<br />';
				//				echo 'Master is '.$r.'<br />';
				//				echo 'Formula is '.$value.'<br />';
				$sharedFormulas[$instance] = array(
						'master' => $r,
						'formula' => $value
				);
				//				echo 'New Shared Formula Array:<pre>';
				//				print_r($sharedFormulas);
				//				echo '</pre>';
			}
			else
			{
				//				echo 'GETTING SHARED FORMULA<br />';
				//				echo 'Master is '.$sharedFormulas[$instance]['master'].'<br />';
				//				echo 'Formula is '.$sharedFormulas[$instance]['formula'].'<br />';
				$master = PHPExcel_Cell::coordinateFromString($sharedFormulas[$instance]['master']);
				$current = PHPExcel_Cell::coordinateFromString($r);

				$difference = array(0, 0);
				$difference[0] = PHPExcel_Cell::columnIndexFromString($current[0]) - PHPExcel_Cell::columnIndexFromString($master[0]);
				$difference[1] = $current[1] - $master[1];

				$value = $this->_referenceHelper->updateFormulaReferences($sharedFormulas[$instance]['formula'], 'A1', $difference[0], $difference[1]);
				//				echo 'Adjusted Formula is '.$value.'<br />';
			}
		}
	}


	public function _getFromZipArchive(ZipArchive $archive, $fileName = '') {
		// Root-relative paths
		if (strpos($fileName, '//') !== false)
		{
			$fileName = substr($fileName, strpos($fileName, '//') + 1);
		}
		$fileName = PHPExcel_Shared_File::realpath($fileName);

		// Apache POI fixes
		$contents = $archive->getFromName($fileName);
		if ($contents === false)
		{
			$contents = $archive->getFromName(substr($fileName, 1));
		}

		return $contents;
	}


	/**
	 * Loads PHPExcel from file
	 *
	 * @param    string $pFilename
	 *
	 * @throws    PHPExcel_Reader_Exception
	 */
	public function load($pFilename) {
		// Check if file exists
		if (!file_exists($pFilename))
		{
			throw new PHPExcel_Reader_Exception("Could not open " . $pFilename . " for reading! File does not exist.");
		}

		// Initialisations
		$excel = new PHPExcel;
		$excel->removeSheetByIndex(0);
		if (!$this->_readDataOnly)
		{
			$excel->removeCellStyleXfByIndex(0); // remove the default style
			$excel->removeCellXfByIndex(0); // remove the default style
		}
		$zip = new ZipArchive;
		$zip->open($pFilename);

		//	Read the theme first, because we need the colour scheme when reading the styles
		$wbRels = simplexml_load_string($this->_getFromZipArchive($zip, "xl/_rels/workbook.xml.rels")); //~ http://schemas.openxmlformats.org/package/2006/relationships");
		foreach ($wbRels->Relationship as $rel)
		{
			switch ($rel["Type"])
			{
				case "http://schemas.openxmlformats.org/officeDocument/2006/relationships/theme":
					$themeOrderArray = array('lt1', 'dk1', 'lt2', 'dk2');
					$themeOrderAdditional = count($themeOrderArray);

					$xmlTheme = simplexml_load_string($this->_getFromZipArchive($zip, "xl/{$rel['Target']}"));
					if (is_object($xmlTheme))
					{
						$xmlThemeName = $xmlTheme->attributes();
						$xmlTheme = $xmlTheme->children("http://schemas.openxmlformats.org/drawingml/2006/main");
						$themeName = (string)$xmlThemeName['name'];

						$colourScheme = $xmlTheme->themeElements->clrScheme->attributes();
						$colourSchemeName = (string)$colourScheme['name'];
						$colourScheme = $xmlTheme->themeElements->clrScheme->children("http://schemas.openxmlformats.org/drawingml/2006/main");

						$themeColours = array();
						foreach ($colourScheme as $k => $xmlColour)
						{
							$themePos = array_search($k, $themeOrderArray);
							if ($themePos === false)
							{
								$themePos = $themeOrderAdditional++;
							}
							if (isset($xmlColour->sysClr))
							{
								$xmlColourData = $xmlColour->sysClr->attributes();
								$themeColours[$themePos] = $xmlColourData['lastClr'];
							}
							elseif (isset($xmlColour->srgbClr))
							{
								$xmlColourData = $xmlColour->srgbClr->attributes();
								$themeColours[$themePos] = $xmlColourData['val'];
							}
						}
						self::$_theme = new PHPExcel_Reader_Excel2007_Theme($themeName, $colourSchemeName, $themeColours);
					}
					break;
			}
		}

		$rels = simplexml_load_string($this->_getFromZipArchive($zip, "_rels/.rels")); //~ http://schemas.openxmlformats.org/package/2006/relationships");
		foreach ($rels->Relationship as $rel)
		{
			switch ($rel["Type"])
			{
				case "http://schemas.openxmlformats.org/package/2006/relationships/metadata/core-properties":
					$xmlCore = simplexml_load_string($this->_getFromZipArchive($zip, "{$rel['Target']}"));
					if (is_object($xmlCore))
					{
						$xmlCore->registerXPathNamespace("dc", "http://purl.org/dc/elements/1.1/");
						$xmlCore->registerXPathNamespace("dcterms", "http://purl.org/dc/terms/");
						$xmlCore->registerXPathNamespace("cp", "http://schemas.openxmlformats.org/package/2006/metadata/core-properties");
						$docProps = $excel->getProperties();
						$docProps->setCreator((string)self::array_item($xmlCore->xpath("dc:creator")));
						$docProps->setLastModifiedBy((string)self::array_item($xmlCore->xpath("cp:lastModifiedBy")));
						$docProps->setCreated(strtotime(self::array_item($xmlCore->xpath("dcterms:created")))); //! respect xsi:type
						$docProps->setModified(strtotime(self::array_item($xmlCore->xpath("dcterms:modified")))); //! respect xsi:type
						$docProps->setTitle((string)self::array_item($xmlCore->xpath("dc:title")));
						$docProps->setDescription((string)self::array_item($xmlCore->xpath("dc:description")));
						$docProps->setSubject((string)self::array_item($xmlCore->xpath("dc:subject")));
						$docProps->setKeywords((string)self::array_item($xmlCore->xpath("cp:keywords")));
						$docProps->setCategory((string)self::array_item($xmlCore->xpath("cp:category")));
					}
					break;

				case "http://schemas.openxmlformats.org/officeDocument/2006/relationships/extended-properties":
					$xmlCore = simplexml_load_string($this->_getFromZipArchive($zip, "{$rel['Target']}"));
					if (is_object($xmlCore))
					{
						$docProps = $excel->getProperties();
						if (isset($xmlCore->Company))
							$docProps->setCompany((string)$xmlCore->Company);
						if (isset($xmlCore->Manager))
							$docProps->setManager((string)$xmlCore->Manager);
					}
					break;

				case "http://schemas.openxmlformats.org/officeDocument/2006/relationships/custom-properties":
					$xmlCore = simplexml_load_string($this->_getFromZipArchive($zip, "{$rel['Target']}"));
					if (is_object($xmlCore))
					{
						$docProps = $excel->getProperties();
						foreach ($xmlCore as $xmlProperty)
						{
							$cellDataOfficeAttributes = $xmlProperty->attributes();
							if (isset($cellDataOfficeAttributes['name']))
							{
								$propertyName = (string)$cellDataOfficeAttributes['name'];
								$cellDataOfficeChildren = $xmlProperty->children('http://schemas.openxmlformats.org/officeDocument/2006/docPropsVTypes');
								$attributeType = $cellDataOfficeChildren->getName();
								$attributeValue = (string)$cellDataOfficeChildren->{$attributeType};
								$attributeValue = PHPExcel_DocumentProperties::convertProperty($attributeValue, $attributeType);
								$attributeType = PHPExcel_DocumentProperties::convertPropertyType($attributeType);
								$docProps->setCustomProperty($propertyName, $attributeValue, $attributeType);
							}
						}
					}
					break;

				case "http://schemas.openxmlformats.org/officeDocument/2006/relationships/officeDocument":
					$dir = dirname($rel["Target"]);
					$relsWorkbook = simplexml_load_string($this->_getFromZipArchive($zip, "$dir/_rels/" . basename($rel["Target"]) . ".rels")); //~ http://schemas.openxmlformats.org/package/2006/relationships");
					$relsWorkbook->registerXPathNamespace("rel", "http://schemas.openxmlformats.org/package/2006/relationships");

					$sharedStrings = array();
					$xpath = self::array_item($relsWorkbook->xpath("rel:Relationship[@Type='http://schemas.openxmlformats.org/officeDocument/2006/relationships/sharedStrings']"));
					$xmlStrings = simplexml_load_string($this->_getFromZipArchive($zip, "$dir/$xpath[Target]")); //~ http://schemas.openxmlformats.org/spreadsheetml/2006/main");
					if (isset($xmlStrings) && isset($xmlStrings->si))
					{
						foreach ($xmlStrings->si as $val)
						{
							if (isset($val->t))
							{
								$sharedStrings[] = PHPExcel_Shared_String::ControlCharacterOOXML2PHP((string)$val->t);
							}
							elseif (isset($val->r))
							{
								$sharedStrings[] = $this->_parseRichText($val);
							}
						}
					}

					$worksheets = array();
					foreach ($relsWorkbook->Relationship as $ele)
					{
						if ($ele["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/worksheet")
						{
							$worksheets[(string)$ele["Id"]] = $ele["Target"];
						}
					}

					$styles = array();
					$cellStyles = array();
					$xpath = self::array_item($relsWorkbook->xpath("rel:Relationship[@Type='http://schemas.openxmlformats.org/officeDocument/2006/relationships/styles']"));
					$xmlStyles = simplexml_load_string($this->_getFromZipArchive($zip, "$dir/$xpath[Target]")); //~ http://schemas.openxmlformats.org/spreadsheetml/2006/main");
					$numFmts = null;
					if ($xmlStyles && $xmlStyles->numFmts[0])
					{
						$numFmts = $xmlStyles->numFmts[0];
					}
					if (isset($numFmts) && ($numFmts !== null))
					{
						$numFmts->registerXPathNamespace("sml", "http://schemas.openxmlformats.org/spreadsheetml/2006/main");
					}
					if (!$this->_readDataOnly && $xmlStyles)
					{
						foreach ($xmlStyles->cellXfs->xf as $xf)
						{
							$numFmt = PHPExcel_Style_NumberFormat::FORMAT_GENERAL;

							if ($xf["numFmtId"])
							{
								if (isset($numFmts))
								{
									$tmpNumFmt = self::array_item($numFmts->xpath("sml:numFmt[@numFmtId=$xf[numFmtId]]"));

									if (isset($tmpNumFmt["formatCode"]))
									{
										$numFmt = (string)$tmpNumFmt["formatCode"];
									}
								}

								if ((int)$xf["numFmtId"] < 164)
								{
									$numFmt = PHPExcel_Style_NumberFormat::builtInFormatCode((int)$xf["numFmtId"]);
								}
							}
							//$numFmt = str_replace('mm', 'i', $numFmt);
							//$numFmt = str_replace('h', 'H', $numFmt);

							$style = (object)array(
									"numFmt" => $numFmt,
									"font" => $xmlStyles->fonts->font[intval($xf["fontId"])],
									"fill" => $xmlStyles->fills->fill[intval($xf["fillId"])],
									"border" => $xmlStyles->borders->border[intval($xf["borderId"])],
									"alignment" => $xf->alignment,
									"protection" => $xf->protection,
							);
							$styles[] = $style;

							// add style to cellXf collection
							$objStyle = new PHPExcel_Style;
							self::_readStyle($objStyle, $style);
							$excel->addCellXf($objStyle);
						}

						foreach ($xmlStyles->cellStyleXfs->xf as $xf)
						{
							$numFmt = PHPExcel_Style_NumberFormat::FORMAT_GENERAL;
							if ($numFmts && $xf["numFmtId"])
							{
								$tmpNumFmt = self::array_item($numFmts->xpath("sml:numFmt[@numFmtId=$xf[numFmtId]]"));
								if (isset($tmpNumFmt["formatCode"]))
								{
									$numFmt = (string)$tmpNumFmt["formatCode"];
								}
								else if ((int)$xf["numFmtId"] < 165)
								{
									$numFmt = PHPExcel_Style_NumberFormat::builtInFormatCode((int)$xf["numFmtId"]);
								}
							}

							$cellStyle = (object)array(
									"numFmt" => $numFmt,
									"font" => $xmlStyles->fonts->font[intval($xf["fontId"])],
									"fill" => $xmlStyles->fills->fill[intval($xf["fillId"])],
									"border" => $xmlStyles->borders->border[intval($xf["borderId"])],
									"alignment" => $xf->alignment,
									"protection" => $xf->protection,
							);
							$cellStyles[] = $cellStyle;

							// add style to cellStyleXf collection
							$objStyle = new PHPExcel_Style;
							self::_readStyle($objStyle, $cellStyle);
							$excel->addCellStyleXf($objStyle);
						}
					}

					$dxfs = array();
					if (!$this->_readDataOnly && $xmlStyles)
					{
						//	Conditional Styles
						if ($xmlStyles->dxfs)
						{
							foreach ($xmlStyles->dxfs->dxf as $dxf)
							{
								$style = new PHPExcel_Style(false, true);
								self::_readStyle($style, $dxf);
								$dxfs[] = $style;
							}
						}
						//	Cell Styles
						if ($xmlStyles->cellStyles)
						{
							foreach ($xmlStyles->cellStyles->cellStyle as $cellStyle)
							{
								if (intval($cellStyle['builtinId']) == 0)
								{
									if (isset($cellStyles[intval($cellStyle['xfId'])]))
									{
										// Set default style
										$style = new PHPExcel_Style;
										self::_readStyle($style, $cellStyles[intval($cellStyle['xfId'])]);

										// normal style, currently not using it for anything
									}
								}
							}
						}
					}

					$xmlWorkbook = simplexml_load_string($this->_getFromZipArchive($zip, "{$rel['Target']}")); //~ http://schemas.openxmlformats.org/spreadsheetml/2006/main");

					// Set base date
					if ($xmlWorkbook->workbookPr)
					{
						PHPExcel_Shared_Date::setExcelCalendar(PHPExcel_Shared_Date::CALENDAR_WINDOWS_1900);
						if (isset($xmlWorkbook->workbookPr['date1904']))
						{
							if (self::boolean((string)$xmlWorkbook->workbookPr['date1904']))
							{
								PHPExcel_Shared_Date::setExcelCalendar(PHPExcel_Shared_Date::CALENDAR_MAC_1904);
							}
						}
					}

					$sheetId = 0; // keep track of new sheet id in final workbook
					$oldSheetId = -1; // keep track of old sheet id in final workbook
					$countSkippedSheets = 0; // keep track of number of skipped sheets
					$mapSheetId = array(); // mapping of sheet ids from old to new


					$charts = $chartDetails = array();

					if ($xmlWorkbook->sheets)
					{
						foreach ($xmlWorkbook->sheets->sheet as $eleSheet)
						{
							++$oldSheetId;

							// Check if sheet should be skipped
							if (isset($this->_loadSheetsOnly) && !in_array((string)$eleSheet["name"], $this->_loadSheetsOnly))
							{
								++$countSkippedSheets;
								$mapSheetId[$oldSheetId] = null;
								continue;
							}

							// Map old sheet id in original workbook to new sheet id.
							// They will differ if loadSheetsOnly() is being used
							$mapSheetId[$oldSheetId] = $oldSheetId - $countSkippedSheets;

							// Load sheet
							$docSheet = $excel->createSheet();
							//	Use false for $updateFormulaCellReferences to prevent adjustment of worksheet
							//		references in formula cells... during the load, all formulae should be correct,
							//		and we're simply bringing the worksheet name in line with the formula, not the
							//		reverse
							$docSheet->setTitle((string)$eleSheet["name"], false);
							$fileWorksheet = $worksheets[(string)self::array_item($eleSheet->attributes("http://schemas.openxmlformats.org/officeDocument/2006/relationships"), "id")];
							$xmlSheet = simplexml_load_string($this->_getFromZipArchive($zip, "$dir/$fileWorksheet")); //~ http://schemas.openxmlformats.org/spreadsheetml/2006/main");

							$sharedFormulas = array();

							if (isset($eleSheet["state"]) && (string)$eleSheet["state"] != '')
							{
								$docSheet->setSheetState((string)$eleSheet["state"]);
							}

							if (isset($xmlSheet->sheetViews) && isset($xmlSheet->sheetViews->sheetView))
							{
								if (isset($xmlSheet->sheetViews->sheetView['zoomScale']))
								{
									$docSheet->getSheetView()->setZoomScale(intval($xmlSheet->sheetViews->sheetView['zoomScale']));
								}

								if (isset($xmlSheet->sheetViews->sheetView['zoomScaleNormal']))
								{
									$docSheet->getSheetView()->setZoomScaleNormal(intval($xmlSheet->sheetViews->sheetView['zoomScaleNormal']));
								}

								if (isset($xmlSheet->sheetViews->sheetView['view']))
								{
									$docSheet->getSheetView()->setView((string)$xmlSheet->sheetViews->sheetView['view']);
								}

								if (isset($xmlSheet->sheetViews->sheetView['showGridLines']))
								{
									$docSheet->setShowGridLines(self::boolean((string)$xmlSheet->sheetViews->sheetView['showGridLines']));
								}

								if (isset($xmlSheet->sheetViews->sheetView['showRowColHeaders']))
								{
									$docSheet->setShowRowColHeaders(self::boolean((string)$xmlSheet->sheetViews->sheetView['showRowColHeaders']));
								}

								if (isset($xmlSheet->sheetViews->sheetView['rightToLeft']))
								{
									$docSheet->setRightToLeft(self::boolean((string)$xmlSheet->sheetViews->sheetView['rightToLeft']));
								}

								if (isset($xmlSheet->sheetViews->sheetView->pane))
								{
									if (isset($xmlSheet->sheetViews->sheetView->pane['topLeftCell']))
									{
										$docSheet->freezePane((string)$xmlSheet->sheetViews->sheetView->pane['topLeftCell']);
									}
									else
									{
										$xSplit = 0;
										$ySplit = 0;

										if (isset($xmlSheet->sheetViews->sheetView->pane['xSplit']))
										{
											$xSplit = 1 + intval($xmlSheet->sheetViews->sheetView->pane['xSplit']);
										}

										if (isset($xmlSheet->sheetViews->sheetView->pane['ySplit']))
										{
											$ySplit = 1 + intval($xmlSheet->sheetViews->sheetView->pane['ySplit']);
										}

										$docSheet->freezePaneByColumnAndRow($xSplit, $ySplit);
									}
								}

								if (isset($xmlSheet->sheetViews->sheetView->selection))
								{
									if (isset($xmlSheet->sheetViews->sheetView->selection['sqref']))
									{
										$sqref = (string)$xmlSheet->sheetViews->sheetView->selection['sqref'];
										$sqref = explode(' ', $sqref);
										$sqref = $sqref[0];
										$docSheet->setSelectedCells($sqref);
									}
								}

							}

							if (isset($xmlSheet->sheetPr) && isset($xmlSheet->sheetPr->tabColor))
							{
								if (isset($xmlSheet->sheetPr->tabColor['rgb']))
								{
									$docSheet->getTabColor()->setARGB((string)$xmlSheet->sheetPr->tabColor['rgb']);
								}
							}

							if (isset($xmlSheet->sheetPr) && isset($xmlSheet->sheetPr->outlinePr))
							{
								if (isset($xmlSheet->sheetPr->outlinePr['summaryRight']) && !self::boolean((string)$xmlSheet->sheetPr->outlinePr['summaryRight']))
								{
									$docSheet->setShowSummaryRight(false);
								}
								else
								{
									$docSheet->setShowSummaryRight(true);
								}

								if (isset($xmlSheet->sheetPr->outlinePr['summaryBelow']) && !self::boolean((string)$xmlSheet->sheetPr->outlinePr['summaryBelow']))
								{
									$docSheet->setShowSummaryBelow(false);
								}
								else
								{
									$docSheet->setShowSummaryBelow(true);
								}
							}

							if (isset($xmlSheet->sheetPr) && isset($xmlSheet->sheetPr->pageSetUpPr))
							{
								if (isset($xmlSheet->sheetPr->pageSetUpPr['fitToPage']) && !self::boolean((string)$xmlSheet->sheetPr->pageSetUpPr['fitToPage']))
								{
									$docSheet->getPageSetup()->setFitToPage(false);
								}
								else
								{
									$docSheet->getPageSetup()->setFitToPage(true);
								}
							}

							if (isset($xmlSheet->sheetFormatPr))
							{
								if (isset($xmlSheet->sheetFormatPr['customHeight']) && self::boolean((string)$xmlSheet->sheetFormatPr['customHeight']) && isset($xmlSheet->sheetFormatPr['defaultRowHeight']))
								{
									$docSheet->getDefaultRowDimension()->setRowHeight((float)$xmlSheet->sheetFormatPr['defaultRowHeight']);
								}
								if (isset($xmlSheet->sheetFormatPr['defaultColWidth']))
								{
									$docSheet->getDefaultColumnDimension()->setWidth((float)$xmlSheet->sheetFormatPr['defaultColWidth']);
								}
								if (isset($xmlSheet->sheetFormatPr['zeroHeight']) && ((string)$xmlSheet->sheetFormatPr['zeroHeight'] == '1'))
								{
									$docSheet->getDefaultRowDimension()->setzeroHeight(true);
								}
							}

							if (isset($xmlSheet->cols) && !$this->_readDataOnly)
							{
								foreach ($xmlSheet->cols->col as $col)
								{
									for ($i = intval($col["min"]) - 1; $i < intval($col["max"]); ++$i)
									{
										if ($col["style"] && !$this->_readDataOnly)
										{
											$docSheet->getColumnDimension(PHPExcel_Cell::stringFromColumnIndex($i))->setXfIndex(intval($col["style"]));
										}
										if (self::boolean($col["bestFit"]))
										{
											//$docSheet->getColumnDimension(PHPExcel_Cell::stringFromColumnIndex($i))->setAutoSize(TRUE);
										}
										if (self::boolean($col["hidden"]))
										{
											$docSheet->getColumnDimension(PHPExcel_Cell::stringFromColumnIndex($i))->setVisible(false);
										}
										if (self::boolean($col["collapsed"]))
										{
											$docSheet->getColumnDimension(PHPExcel_Cell::stringFromColumnIndex($i))->setCollapsed(true);
										}
										if ($col["outlineLevel"] > 0)
										{
											$docSheet->getColumnDimension(PHPExcel_Cell::stringFromColumnIndex($i))->setOutlineLevel(intval($col["outlineLevel"]));
										}
										$docSheet->getColumnDimension(PHPExcel_Cell::stringFromColumnIndex($i))->setWidth(floatval($col["width"]));

										if (intval($col["max"]) == 16384)
										{
											break;
										}
									}
								}
							}

							if (isset($xmlSheet->printOptions) && !$this->_readDataOnly)
							{
								if (self::boolean((string)$xmlSheet->printOptions['gridLinesSet']))
								{
									$docSheet->setShowGridlines(true);
								}

								if (self::boolean((string)$xmlSheet->printOptions['gridLines']))
								{
									$docSheet->setPrintGridlines(true);
								}

								if (self::boolean((string)$xmlSheet->printOptions['horizontalCentered']))
								{
									$docSheet->getPageSetup()->setHorizontalCentered(true);
								}
								if (self::boolean((string)$xmlSheet->printOptions['verticalCentered']))
								{
									$docSheet->getPageSetup()->setVerticalCentered(true);
								}
							}

							if ($xmlSheet && $xmlSheet->sheetData && $xmlSheet->sheetData->row)
							{
								foreach ($xmlSheet->sheetData->row as $row)
								{
									if ($row["ht"] && !$this->_readDataOnly)
									{
										$docSheet->getRowDimension(intval($row["r"]))->setRowHeight(floatval($row["ht"]));
									}
									if (self::boolean($row["hidden"]) && !$this->_readDataOnly)
									{
										$docSheet->getRowDimension(intval($row["r"]))->setVisible(false);
									}
									if (self::boolean($row["collapsed"]))
									{
										$docSheet->getRowDimension(intval($row["r"]))->setCollapsed(true);
									}
									if ($row["outlineLevel"] > 0)
									{
										$docSheet->getRowDimension(intval($row["r"]))->setOutlineLevel(intval($row["outlineLevel"]));
									}
									if ($row["s"] && !$this->_readDataOnly)
									{
										$docSheet->getRowDimension(intval($row["r"]))->setXfIndex(intval($row["s"]));
									}

									foreach ($row->c as $c)
									{
										$r = (string)$c["r"];
										$cellDataType = (string)$c["t"];
										$value = null;
										$calculatedValue = null;

										// Read cell?
										if ($this->getReadFilter() !== null)
										{
											$coordinates = PHPExcel_Cell::coordinateFromString($r);

											if (!$this->getReadFilter()->readCell($coordinates[0], $coordinates[1], $docSheet->getTitle()))
											{
												continue;
											}
										}

										//									echo '<b>Reading cell '.$coordinates[0].$coordinates[1].'</b><br />';
										//									print_r($c);
										//									echo '<br />';
										//									echo 'Cell Data Type is '.$cellDataType.': ';
										//
										// Read cell!
										switch ($cellDataType)
										{
											case "s":
												//											echo 'String<br />';
												if ((string)$c->v != '')
												{
													$value = $sharedStrings[intval($c->v)];

													if ($value instanceof PHPExcel_RichText)
													{
														$value = clone $value;
													}
												}
												else
												{
													$value = '';
												}

												break;
											case "b":
												//											echo 'Boolean<br />';
												if (!isset($c->f))
												{
													$value = self::_castToBool($c);
												}
												else
												{
													// Formula
													$this->_castToFormula($c, $r, $cellDataType, $value, $calculatedValue, $sharedFormulas, '_castToBool');
													if (isset($c->f['t']))
													{
														$att = array();
														$att = $c->f;
														$docSheet->getCell($r)->setFormulaAttributes($att);
													}
													//												echo '$calculatedValue = '.$calculatedValue.'<br />';
												}
												break;
											case "inlineStr":
												//											echo 'Inline String<br />';
												$value = $this->_parseRichText($c->is);

												break;
											case "e":
												//											echo 'Error<br />';
												if (!isset($c->f))
												{
													$value = self::_castToError($c);
												}
												else
												{
													// Formula
													$this->_castToFormula($c, $r, $cellDataType, $value, $calculatedValue, $sharedFormulas, '_castToError');
													//												echo '$calculatedValue = '.$calculatedValue.'<br />';
												}

												break;

											default:
												//											echo 'Default<br />';
												if (!isset($c->f))
												{
													//												echo 'Not a Formula<br />';
													$value = self::_castToString($c);
												}
												else
												{
													//												echo 'Treat as Formula<br />';
													// Formula
													$this->_castToFormula($c, $r, $cellDataType, $value, $calculatedValue, $sharedFormulas, '_castToString');
													//												echo '$calculatedValue = '.$calculatedValue.'<br />';
												}

												break;
										}
										//									echo 'Value is '.$value.'<br />';

										// Check for numeric values
										if (is_numeric($value) && $cellDataType != 's')
										{
											if ($value == (int)$value)
												$value = (int)$value;
											elseif ($value == (float)$value)
												$value = (float)$value;
											elseif ($value == (double)$value)
												$value = (double)$value;
										}

										// Rich text?
										if ($value instanceof PHPExcel_RichText && $this->_readDataOnly)
										{
											$value = $value->getPlainText();
										}

										$cell = $docSheet->getCell($r);
										// Assign value
										if ($cellDataType != '')
										{
											$cell->setValueExplicit($value, $cellDataType);
										}
										else
										{
											$cell->setValue($value);
										}
										if ($calculatedValue !== null)
										{
											$cell->setCalculatedValue($calculatedValue);
										}

										// Style information?
										if ($c["s"] && !$this->_readDataOnly)
										{
											// no style index means 0, it seems
											$cell->setXfIndex(isset($styles[intval($c["s"])]) ? intval($c["s"]) : 0);
										}
									}
								}
							}

							$conditionals = array();
							if (!$this->_readDataOnly && $xmlSheet && $xmlSheet->conditionalFormatting)
							{
								foreach ($xmlSheet->conditionalFormatting as $conditional)
								{
									foreach ($conditional->cfRule as $cfRule)
									{
										if (((string)$cfRule["type"] == PHPExcel_Style_Conditional::CONDITION_NONE || (string)$cfRule["type"] == PHPExcel_Style_Conditional::CONDITION_CELLIS || (string)$cfRule["type"] == PHPExcel_Style_Conditional::CONDITION_CONTAINSTEXT || (string)$cfRule["type"] == PHPExcel_Style_Conditional::CONDITION_EXPRESSION) && isset($dxfs[intval($cfRule["dxfId"])])
										)
										{
											$conditionals[(string)$conditional["sqref"]][intval($cfRule["priority"])] = $cfRule;
										}
									}
								}

								foreach ($conditionals as $ref => $cfRules)
								{
									ksort($cfRules);
									$conditionalStyles = array();
									foreach ($cfRules as $cfRule)
									{
										$objConditional = new PHPExcel_Style_Conditional();
										$objConditional->setConditionType((string)$cfRule["type"]);
										$objConditional->setOperatorType((string)$cfRule["operator"]);

										if ((string)$cfRule["text"] != '')
										{
											$objConditional->setText((string)$cfRule["text"]);
										}

										if (count($cfRule->formula) > 1)
										{
											foreach ($cfRule->formula as $formula)
											{
												$objConditional->addCondition((string)$formula);
											}
										}
										else
										{
											$objConditional->addCondition((string)$cfRule->formula);
										}
										$objConditional->setStyle(clone $dxfs[intval($cfRule["dxfId"])]);
										$conditionalStyles[] = $objConditional;
									}

									// Extract all cell references in $ref
									$aReferences = PHPExcel_Cell::extractAllCellReferencesInRange($ref);
									foreach ($aReferences as $reference)
									{
										$docSheet->getStyle($reference)->setConditionalStyles($conditionalStyles);
									}
								}
							}

							$aKeys = array(
									"sheet",
									"objects",
									"scenarios",
									"formatCells",
									"formatColumns",
									"formatRows",
									"insertColumns",
									"insertRows",
									"insertHyperlinks",
									"deleteColumns",
									"deleteRows",
									"selectLockedCells",
									"sort",
									"autoFilter",
									"pivotTables",
									"selectUnlockedCells"
							);
							if (!$this->_readDataOnly && $xmlSheet && $xmlSheet->sheetProtection)
							{
								foreach ($aKeys as $key)
								{
									$method = "set" . ucfirst($key);
									$docSheet->getProtection()->$method(self::boolean((string)$xmlSheet->sheetProtection[$key]));
								}
							}

							if (!$this->_readDataOnly && $xmlSheet && $xmlSheet->sheetProtection)
							{
								$docSheet->getProtection()->setPassword((string)$xmlSheet->sheetProtection["password"], true);
								if ($xmlSheet->protectedRanges->protectedRange)
								{
									foreach ($xmlSheet->protectedRanges->protectedRange as $protectedRange)
									{
										$docSheet->protectCells((string)$protectedRange["sqref"], (string)$protectedRange["password"], true);
									}
								}
							}

							if ($xmlSheet && $xmlSheet->autoFilter && !$this->_readDataOnly)
							{
								$autoFilter = $docSheet->getAutoFilter();
								$autoFilter->setRange((string)$xmlSheet->autoFilter["ref"]);
								foreach ($xmlSheet->autoFilter->filterColumn as $filterColumn)
								{
									$column = $autoFilter->getColumnByOffset((integer)$filterColumn["colId"]);
									//	Check for standard filters
									if ($filterColumn->filters)
									{
										$column->setFilterType(PHPExcel_Worksheet_AutoFilter_Column::AUTOFILTER_FILTERTYPE_FILTER);
										$filters = $filterColumn->filters;
										if ((isset($filters["blank"])) && ($filters["blank"] == 1))
										{
											$column->createRule()->setRule(null, //	Operator is undefined, but always treated as EQUAL
																		   '')->setRuleType(PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_FILTER);
										}
										//	Standard filters are always an OR join, so no join rule needs to be set
										//	Entries can be either filter elements
										foreach ($filters->filter as $filterRule)
										{
											$column->createRule()->setRule(null, //	Operator is undefined, but always treated as EQUAL
																		   (string)$filterRule["val"])->setRuleType(PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_FILTER);
										}
										//	Or Date Group elements
										foreach ($filters->dateGroupItem as $dateGroupItem)
										{
											$column->createRule()->setRule(null, //	Operator is undefined, but always treated as EQUAL
																		   array(
																				   'year' => (string)$dateGroupItem["year"],
																				   'month' => (string)$dateGroupItem["month"],
																				   'day' => (string)$dateGroupItem["day"],
																				   'hour' => (string)$dateGroupItem["hour"],
																				   'minute' => (string)$dateGroupItem["minute"],
																				   'second' => (string)$dateGroupItem["second"],
																		   ), (string)$dateGroupItem["dateTimeGrouping"])
												   ->setRuleType(PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DATEGROUP);
										}
									}
									//	Check for custom filters
									if ($filterColumn->customFilters)
									{
										$column->setFilterType(PHPExcel_Worksheet_AutoFilter_Column::AUTOFILTER_FILTERTYPE_CUSTOMFILTER);
										$customFilters = $filterColumn->customFilters;
										//	Custom filters can an AND or an OR join;
										//		and there should only ever be one or two entries
										if ((isset($customFilters["and"])) && ($customFilters["and"] == 1))
										{
											$column->setJoin(PHPExcel_Worksheet_AutoFilter_Column::AUTOFILTER_COLUMN_JOIN_AND);
										}
										foreach ($customFilters->customFilter as $filterRule)
										{
											$column->createRule()->setRule((string)$filterRule["operator"], (string)$filterRule["val"])
												   ->setRuleType(PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_CUSTOMFILTER);
										}
									}
									//	Check for dynamic filters
									if ($filterColumn->dynamicFilter)
									{
										$column->setFilterType(PHPExcel_Worksheet_AutoFilter_Column::AUTOFILTER_FILTERTYPE_DYNAMICFILTER);
										//	We should only ever have one dynamic filter
										foreach ($filterColumn->dynamicFilter as $filterRule)
										{
											$column->createRule()->setRule(null, //	Operator is undefined, but always treated as EQUAL
																		   (string)$filterRule["val"], (string)$filterRule["type"])
												   ->setRuleType(PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_DYNAMICFILTER);
											if (isset($filterRule["val"]))
											{
												$column->setAttribute('val', (string)$filterRule["val"]);
											}
											if (isset($filterRule["maxVal"]))
											{
												$column->setAttribute('maxVal', (string)$filterRule["maxVal"]);
											}
										}
									}
									//	Check for dynamic filters
									if ($filterColumn->top10)
									{
										$column->setFilterType(PHPExcel_Worksheet_AutoFilter_Column::AUTOFILTER_FILTERTYPE_TOPTENFILTER);
										//	We should only ever have one top10 filter
										foreach ($filterColumn->top10 as $filterRule)
										{
											$column->createRule()
												   ->setRule((((isset($filterRule["percent"])) && ($filterRule["percent"] == 1)) ? PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_TOPTEN_PERCENT : PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_TOPTEN_BY_VALUE), (string)$filterRule["val"], (((isset($filterRule["top"])) && ($filterRule["top"] == 1)) ? PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_TOPTEN_TOP : PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_COLUMN_RULE_TOPTEN_BOTTOM))
												   ->setRuleType(PHPExcel_Worksheet_AutoFilter_Column_Rule::AUTOFILTER_RULETYPE_TOPTENFILTER);
										}
									}
								}
							}

							if ($xmlSheet && $xmlSheet->mergeCells && $xmlSheet->mergeCells->mergeCell && !$this->_readDataOnly)
							{
								foreach ($xmlSheet->mergeCells->mergeCell as $mergeCell)
								{
									$mergeRef = (string)$mergeCell["ref"];
									if (strpos($mergeRef, ':') !== false)
									{
										$docSheet->mergeCells((string)$mergeCell["ref"]);
									}
								}
							}

							if ($xmlSheet && $xmlSheet->pageMargins && !$this->_readDataOnly)
							{
								$docPageMargins = $docSheet->getPageMargins();
								$docPageMargins->setLeft(floatval($xmlSheet->pageMargins["left"]));
								$docPageMargins->setRight(floatval($xmlSheet->pageMargins["right"]));
								$docPageMargins->setTop(floatval($xmlSheet->pageMargins["top"]));
								$docPageMargins->setBottom(floatval($xmlSheet->pageMargins["bottom"]));
								$docPageMargins->setHeader(floatval($xmlSheet->pageMargins["header"]));
								$docPageMargins->setFooter(floatval($xmlSheet->pageMargins["footer"]));
							}

							if ($xmlSheet && $xmlSheet->pageSetup && !$this->_readDataOnly)
							{
								$docPageSetup = $docSheet->getPageSetup();

								if (isset($xmlSheet->pageSetup["orientation"]))
								{
									$docPageSetup->setOrientation((string)$xmlSheet->pageSetup["orientation"]);
								}
								if (isset($xmlSheet->pageSetup["paperSize"]))
								{
									$docPageSetup->setPaperSize(intval($xmlSheet->pageSetup["paperSize"]));
								}
								if (isset($xmlSheet->pageSetup["scale"]))
								{
									$docPageSetup->setScale(intval($xmlSheet->pageSetup["scale"]), false);
								}
								if (isset($xmlSheet->pageSetup["fitToHeight"]) && intval($xmlSheet->pageSetup["fitToHeight"]) >= 0)
								{
									$docPageSetup->setFitToHeight(intval($xmlSheet->pageSetup["fitToHeight"]), false);
								}
								if (isset($xmlSheet->pageSetup["fitToWidth"]) && intval($xmlSheet->pageSetup["fitToWidth"]) >= 0)
								{
									$docPageSetup->setFitToWidth(intval($xmlSheet->pageSetup["fitToWidth"]), false);
								}
								if (isset($xmlSheet->pageSetup["firstPageNumber"]) && isset($xmlSheet->pageSetup["useFirstPageNumber"]) && self::boolean((string)$xmlSheet->pageSetup["useFirstPageNumber"]))
								{
									$docPageSetup->setFirstPageNumber(intval($xmlSheet->pageSetup["firstPageNumber"]));
								}
							}

							if ($xmlSheet && $xmlSheet->headerFooter && !$this->_readDataOnly)
							{
								$docHeaderFooter = $docSheet->getHeaderFooter();

								if (isset($xmlSheet->headerFooter["differentOddEven"]) && self::boolean((string)$xmlSheet->headerFooter["differentOddEven"]))
								{
									$docHeaderFooter->setDifferentOddEven(true);
								}
								else
								{
									$docHeaderFooter->setDifferentOddEven(false);
								}
								if (isset($xmlSheet->headerFooter["differentFirst"]) && self::boolean((string)$xmlSheet->headerFooter["differentFirst"]))
								{
									$docHeaderFooter->setDifferentFirst(true);
								}
								else
								{
									$docHeaderFooter->setDifferentFirst(false);
								}
								if (isset($xmlSheet->headerFooter["scaleWithDoc"]) && !self::boolean((string)$xmlSheet->headerFooter["scaleWithDoc"]))
								{
									$docHeaderFooter->setScaleWithDocument(false);
								}
								else
								{
									$docHeaderFooter->setScaleWithDocument(true);
								}
								if (isset($xmlSheet->headerFooter["alignWithMargins"]) && !self::boolean((string)$xmlSheet->headerFooter["alignWithMargins"]))
								{
									$docHeaderFooter->setAlignWithMargins(false);
								}
								else
								{
									$docHeaderFooter->setAlignWithMargins(true);
								}

								$docHeaderFooter->setOddHeader((string)$xmlSheet->headerFooter->oddHeader);
								$docHeaderFooter->setOddFooter((string)$xmlSheet->headerFooter->oddFooter);
								$docHeaderFooter->setEvenHeader((string)$xmlSheet->headerFooter->evenHeader);
								$docHeaderFooter->setEvenFooter((string)$xmlSheet->headerFooter->evenFooter);
								$docHeaderFooter->setFirstHeader((string)$xmlSheet->headerFooter->firstHeader);
								$docHeaderFooter->setFirstFooter((string)$xmlSheet->headerFooter->firstFooter);
							}

							if ($xmlSheet && $xmlSheet->rowBreaks && $xmlSheet->rowBreaks->brk && !$this->_readDataOnly)
							{
								foreach ($xmlSheet->rowBreaks->brk as $brk)
								{
									if ($brk["man"])
									{
										$docSheet->setBreak("A$brk[id]", PHPExcel_Worksheet::BREAK_ROW);
									}
								}
							}
							if ($xmlSheet && $xmlSheet->colBreaks && $xmlSheet->colBreaks->brk && !$this->_readDataOnly)
							{
								foreach ($xmlSheet->colBreaks->brk as $brk)
								{
									if ($brk["man"])
									{
										$docSheet->setBreak(PHPExcel_Cell::stringFromColumnIndex((string)$brk["id"]) . "1", PHPExcel_Worksheet::BREAK_COLUMN);
									}
								}
							}

							if ($xmlSheet && $xmlSheet->dataValidations && !$this->_readDataOnly)
							{
								foreach ($xmlSheet->dataValidations->dataValidation as $dataValidation)
								{
									// Uppercase coordinate
									$range = strtoupper($dataValidation["sqref"]);
									$rangeSet = explode(' ', $range);
									foreach ($rangeSet as $range)
									{
										$stRange = $docSheet->shrinkRangeToFit($range);

										// Extract all cell references in $range
										$aReferences = PHPExcel_Cell::extractAllCellReferencesInRange($stRange);
										foreach ($aReferences as $reference)
										{
											// Create validation
											$docValidation = $docSheet->getCell($reference)->getDataValidation();
											$docValidation->setType((string)$dataValidation["type"]);
											$docValidation->setErrorStyle((string)$dataValidation["errorStyle"]);
											$docValidation->setOperator((string)$dataValidation["operator"]);
											$docValidation->setAllowBlank($dataValidation["allowBlank"] != 0);
											$docValidation->setShowDropDown($dataValidation["showDropDown"] == 0);
											$docValidation->setShowInputMessage($dataValidation["showInputMessage"] != 0);
											$docValidation->setShowErrorMessage($dataValidation["showErrorMessage"] != 0);
											$docValidation->setErrorTitle((string)$dataValidation["errorTitle"]);
											$docValidation->setError((string)$dataValidation["error"]);
											$docValidation->setPromptTitle((string)$dataValidation["promptTitle"]);
											$docValidation->setPrompt((string)$dataValidation["prompt"]);
											$docValidation->setFormula1((string)$dataValidation->formula1);
											$docValidation->setFormula2((string)$dataValidation->formula2);
										}
									}
								}
							}

							// Add hyperlinks
							$hyperlinks = array();
							if (!$this->_readDataOnly)
							{
								// Locate hyperlink relations
								if ($zip->locateName(dirname("$dir/$fileWorksheet") . "/_rels/" . basename($fileWorksheet) . ".rels"))
								{
									$relsWorksheet = simplexml_load_string($this->_getFromZipArchive($zip, dirname("$dir/$fileWorksheet") . "/_rels/" . basename($fileWorksheet) . ".rels")); //~ http://schemas.openxmlformats.org/package/2006/relationships");
									foreach ($relsWorksheet->Relationship as $ele)
									{
										if ($ele["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/hyperlink")
										{
											$hyperlinks[(string)$ele["Id"]] = (string)$ele["Target"];
										}
									}
								}

								// Loop through hyperlinks
								if ($xmlSheet && $xmlSheet->hyperlinks)
								{
									foreach ($xmlSheet->hyperlinks->hyperlink as $hyperlink)
									{
										// Link url
										$linkRel = $hyperlink->attributes('http://schemas.openxmlformats.org/officeDocument/2006/relationships');

										foreach (PHPExcel_Cell::extractAllCellReferencesInRange($hyperlink['ref']) as $cellReference)
										{
											$cell = $docSheet->getCell($cellReference);
											if (isset($linkRel['id']))
											{
												$hyperlinkUrl = $hyperlinks[(string)$linkRel['id']];
												if (isset($hyperlink['location']))
												{
													$hyperlinkUrl .= '#' . (string)$hyperlink['location'];
												}
												$cell->getHyperlink()->setUrl($hyperlinkUrl);
											}
											elseif (isset($hyperlink['location']))
											{
												$cell->getHyperlink()->setUrl('sheet://' . (string)$hyperlink['location']);
											}

											// Tooltip
											if (isset($hyperlink['tooltip']))
											{
												$cell->getHyperlink()->setTooltip((string)$hyperlink['tooltip']);
											}
										}
									}
								}
							}

							// Add comments
							$comments = array();
							$vmlComments = array();
							if (!$this->_readDataOnly)
							{
								// Locate comment relations
								if ($zip->locateName(dirname("$dir/$fileWorksheet") . "/_rels/" . basename($fileWorksheet) . ".rels"))
								{
									$relsWorksheet = simplexml_load_string($this->_getFromZipArchive($zip, dirname("$dir/$fileWorksheet") . "/_rels/" . basename($fileWorksheet) . ".rels")); //~ http://schemas.openxmlformats.org/package/2006/relationships");
									foreach ($relsWorksheet->Relationship as $ele)
									{
										if ($ele["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/comments")
										{
											$comments[(string)$ele["Id"]] = (string)$ele["Target"];
										}
										if ($ele["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/vmlDrawing")
										{
											$vmlComments[(string)$ele["Id"]] = (string)$ele["Target"];
										}
									}
								}

								// Loop through comments
								foreach ($comments as $relName => $relPath)
								{
									// Load comments file
									$relPath = PHPExcel_Shared_File::realpath(dirname("$dir/$fileWorksheet") . "/" . $relPath);
									$commentsFile = simplexml_load_string($this->_getFromZipArchive($zip, $relPath));

									// Utility variables
									$authors = array();

									// Loop through authors
									foreach ($commentsFile->authors->author as $author)
									{
										$authors[] = (string)$author;
									}

									// Loop through contents
									foreach ($commentsFile->commentList->comment as $comment)
									{
										$docSheet->getComment((string)$comment['ref'])->setAuthor($authors[(string)$comment['authorId']]);
										$docSheet->getComment((string)$comment['ref'])->setText($this->_parseRichText($comment->text));
									}
								}

								// Loop through VML comments
								foreach ($vmlComments as $relName => $relPath)
								{
									// Load VML comments file
									$relPath = PHPExcel_Shared_File::realpath(dirname("$dir/$fileWorksheet") . "/" . $relPath);
									$vmlCommentsFile = simplexml_load_string($this->_getFromZipArchive($zip, $relPath));
									$vmlCommentsFile->registerXPathNamespace('v', 'urn:schemas-microsoft-com:vml');

									$shapes = $vmlCommentsFile->xpath('//v:shape');
									foreach ($shapes as $shape)
									{
										$shape->registerXPathNamespace('v', 'urn:schemas-microsoft-com:vml');

										if (isset($shape['style']))
										{
											$style = (string)$shape['style'];
											$fillColor = strtoupper(substr((string)$shape['fillcolor'], 1));
											$column = null;
											$row = null;

											$clientData = $shape->xpath('.//x:ClientData');
											if (is_array($clientData) && !empty($clientData))
											{
												$clientData = $clientData[0];

												if (isset($clientData['ObjectType']) && (string)$clientData['ObjectType'] == 'Note')
												{
													$temp = $clientData->xpath('.//x:Row');
													if (is_array($temp))
														$row = $temp[0];

													$temp = $clientData->xpath('.//x:Column');
													if (is_array($temp))
														$column = $temp[0];
												}
											}

											if (($column !== null) && ($row !== null))
											{
												// Set comment properties
												$comment = $docSheet->getCommentByColumnAndRow((string)$column, $row + 1);
												$comment->getFillColor()->setRGB($fillColor);

												// Parse style
												$styleArray = explode(';', str_replace(' ', '', $style));
												foreach ($styleArray as $stylePair)
												{
													$stylePair = explode(':', $stylePair);

													if ($stylePair[0] == 'margin-left')
														$comment->setMarginLeft($stylePair[1]);
													if ($stylePair[0] == 'margin-top')
														$comment->setMarginTop($stylePair[1]);
													if ($stylePair[0] == 'width')
														$comment->setWidth($stylePair[1]);
													if ($stylePair[0] == 'height')
														$comment->setHeight($stylePair[1]);
													if ($stylePair[0] == 'visibility')
														$comment->setVisible($stylePair[1] == 'visible');

												}
											}
										}
									}
								}

								// Header/footer images
								if ($xmlSheet && $xmlSheet->legacyDrawingHF && !$this->_readDataOnly)
								{
									if ($zip->locateName(dirname("$dir/$fileWorksheet") . "/_rels/" . basename($fileWorksheet) . ".rels"))
									{
										$relsWorksheet = simplexml_load_string($this->_getFromZipArchive($zip, dirname("$dir/$fileWorksheet") . "/_rels/" . basename($fileWorksheet) . ".rels")); //~ http://schemas.openxmlformats.org/package/2006/relationships");
										$vmlRelationship = '';

										foreach ($relsWorksheet->Relationship as $ele)
										{
											if ($ele["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/vmlDrawing")
											{
												$vmlRelationship = self::dir_add("$dir/$fileWorksheet", $ele["Target"]);
											}
										}

										if ($vmlRelationship != '')
										{
											// Fetch linked images
											$relsVML = simplexml_load_string($this->_getFromZipArchive($zip, dirname($vmlRelationship) . '/_rels/' . basename($vmlRelationship) . '.rels')); //~ http://schemas.openxmlformats.org/package/2006/relationships");
											$drawings = array();
											foreach ($relsVML->Relationship as $ele)
											{
												if ($ele["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/image")
												{
													$drawings[(string)$ele["Id"]] = self::dir_add($vmlRelationship, $ele["Target"]);
												}
											}

											// Fetch VML document
											$vmlDrawing = simplexml_load_string($this->_getFromZipArchive($zip, $vmlRelationship));
											$vmlDrawing->registerXPathNamespace('v', 'urn:schemas-microsoft-com:vml');

											$hfImages = array();

											$shapes = $vmlDrawing->xpath('//v:shape');
											foreach ($shapes as $shape)
											{
												$shape->registerXPathNamespace('v', 'urn:schemas-microsoft-com:vml');
												$imageData = $shape->xpath('//v:imagedata');
												$imageData = $imageData[0];

												$imageData = $imageData->attributes('urn:schemas-microsoft-com:office:office');
												$style = self::toCSSArray((string)$shape['style']);

												$hfImages[(string)$shape['id']] = new PHPExcel_Worksheet_HeaderFooterDrawing();
												if (isset($imageData['title']))
												{
													$hfImages[(string)$shape['id']]->setName((string)$imageData['title']);
												}

												$hfImages[(string)$shape['id']]->setPath("zip://" . PHPExcel_Shared_File::realpath($pFilename) . "#" . $drawings[(string)$imageData['relid']], false);
												$hfImages[(string)$shape['id']]->setResizeProportional(false);
												$hfImages[(string)$shape['id']]->setWidth($style['width']);
												$hfImages[(string)$shape['id']]->setHeight($style['height']);
												$hfImages[(string)$shape['id']]->setOffsetX($style['margin-left']);
												$hfImages[(string)$shape['id']]->setOffsetY($style['margin-top']);
												$hfImages[(string)$shape['id']]->setResizeProportional(true);
											}

											$docSheet->getHeaderFooter()->setImages($hfImages);
										}
									}
								}

							}

							// TODO: Autoshapes from twoCellAnchors!
							if ($zip->locateName(dirname("$dir/$fileWorksheet") . "/_rels/" . basename($fileWorksheet) . ".rels"))
							{
								$relsWorksheet = simplexml_load_string($this->_getFromZipArchive($zip, dirname("$dir/$fileWorksheet") . "/_rels/" . basename($fileWorksheet) . ".rels")); //~ http://schemas.openxmlformats.org/package/2006/relationships");
								$drawings = array();
								foreach ($relsWorksheet->Relationship as $ele)
								{
									if ($ele["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/drawing")
									{
										$drawings[(string)$ele["Id"]] = self::dir_add("$dir/$fileWorksheet", $ele["Target"]);
									}
								}
								if ($xmlSheet->drawing && !$this->_readDataOnly)
								{
									foreach ($xmlSheet->drawing as $drawing)
									{
										$fileDrawing = $drawings[(string)self::array_item($drawing->attributes("http://schemas.openxmlformats.org/officeDocument/2006/relationships"), "id")];
										$relsDrawing = simplexml_load_string($this->_getFromZipArchive($zip, dirname($fileDrawing) . "/_rels/" . basename($fileDrawing) . ".rels")); //~ http://schemas.openxmlformats.org/package/2006/relationships");
										$images = array();

										if ($relsDrawing && $relsDrawing->Relationship)
										{
											foreach ($relsDrawing->Relationship as $ele)
											{
												if ($ele["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/image")
												{
													$images[(string)$ele["Id"]] = self::dir_add($fileDrawing, $ele["Target"]);
												}
												elseif ($ele["Type"] == "http://schemas.openxmlformats.org/officeDocument/2006/relationships/chart")
												{
													if ($this->_includeCharts)
													{
														$charts[self::dir_add($fileDrawing, $ele["Target"])] = array(
																'id' => (string)$ele["Id"],
																'sheet' => $docSheet->getTitle()
														);
													}
												}
											}
										}
										$xmlDrawing = simplexml_load_string($this->_getFromZipArchive($zip, $fileDrawing))->children("http://schemas.openxmlformats.org/drawingml/2006/spreadsheetDrawing");

										if ($xmlDrawing->oneCellAnchor)
										{
											foreach ($xmlDrawing->oneCellAnchor as $oneCellAnchor)
											{
												if ($oneCellAnchor->pic->blipFill)
												{
													$blip = $oneCellAnchor->pic->blipFill->children("http://schemas.openxmlformats.org/drawingml/2006/main")->blip;
													$xfrm = $oneCellAnchor->pic->spPr->children("http://schemas.openxmlformats.org/drawingml/2006/main")->xfrm;
													$outerShdw = $oneCellAnchor->pic->spPr->children("http://schemas.openxmlformats.org/drawingml/2006/main")->effectLst->outerShdw;
													$objDrawing = new PHPExcel_Worksheet_Drawing;
													$objDrawing->setName((string)self::array_item($oneCellAnchor->pic->nvPicPr->cNvPr->attributes(), "name"));
													$objDrawing->setDescription((string)self::array_item($oneCellAnchor->pic->nvPicPr->cNvPr->attributes(), "descr"));
													$objDrawing->setPath("zip://" . PHPExcel_Shared_File::realpath($pFilename) . "#" . $images[(string)self::array_item($blip->attributes("http://schemas.openxmlformats.org/officeDocument/2006/relationships"), "embed")], false);
													$objDrawing->setCoordinates(PHPExcel_Cell::stringFromColumnIndex((string)$oneCellAnchor->from->col) . ($oneCellAnchor->from->row + 1));
													$objDrawing->setOffsetX(PHPExcel_Shared_Drawing::EMUToPixels($oneCellAnchor->from->colOff));
													$objDrawing->setOffsetY(PHPExcel_Shared_Drawing::EMUToPixels($oneCellAnchor->from->rowOff));
													$objDrawing->setResizeProportional(false);
													$objDrawing->setWidth(PHPExcel_Shared_Drawing::EMUToPixels(self::array_item($oneCellAnchor->ext->attributes(), "cx")));
													$objDrawing->setHeight(PHPExcel_Shared_Drawing::EMUToPixels(self::array_item($oneCellAnchor->ext->attributes(), "cy")));
													if ($xfrm)
													{
														$objDrawing->setRotation(PHPExcel_Shared_Drawing::angleToDegrees(self::array_item($xfrm->attributes(), "rot")));
													}
													if ($outerShdw)
													{
														$shadow = $objDrawing->getShadow();
														$shadow->setVisible(true);
														$shadow->setBlurRadius(PHPExcel_Shared_Drawing::EMUTopixels(self::array_item($outerShdw->attributes(), "blurRad")));
														$shadow->setDistance(PHPExcel_Shared_Drawing::EMUTopixels(self::array_item($outerShdw->attributes(), "dist")));
														$shadow->setDirection(PHPExcel_Shared_Drawing::angleToDegrees(self::array_item($outerShdw->attributes(), "dir")));
														$shadow->setAlignment((string)self::array_item($outerShdw->attributes(), "algn"));
														$shadow->getColor()->setRGB(self::array_item($outerShdw->srgbClr->attributes(), "val"));
														$shadow->setAlpha(self::array_item($outerShdw->srgbClr->alpha->attributes(), "val") / 1000);
													}
													$objDrawing->setWorksheet($docSheet);
												}
												else
												{
													//	? Can charts be positioned with a oneCellAnchor ?
													$coordinates = PHPExcel_Cell::stringFromColumnIndex((string)$oneCellAnchor->from->col) . ($oneCellAnchor->from->row + 1);
													$offsetX = PHPExcel_Shared_Drawing::EMUToPixels($oneCellAnchor->from->colOff);
													$offsetY = PHPExcel_Shared_Drawing::EMUToPixels($oneCellAnchor->from->rowOff);
													$width = PHPExcel_Shared_Drawing::EMUToPixels(self::array_item($oneCellAnchor->ext->attributes(), "cx"));
													$height = PHPExcel_Shared_Drawing::EMUToPixels(self::array_item($oneCellAnchor->ext->attributes(), "cy"));
												}
											}
										}
										if ($xmlDrawing->twoCellAnchor)
										{
											foreach ($xmlDrawing->twoCellAnchor as $twoCellAnchor)
											{
												if ($twoCellAnchor->pic->blipFill)
												{
													$blip = $twoCellAnchor->pic->blipFill->children("http://schemas.openxmlformats.org/drawingml/2006/main")->blip;
													$xfrm = $twoCellAnchor->pic->spPr->children("http://schemas.openxmlformats.org/drawingml/2006/main")->xfrm;
													$outerShdw = $twoCellAnchor->pic->spPr->children("http://schemas.openxmlformats.org/drawingml/2006/main")->effectLst->outerShdw;
													$objDrawing = new PHPExcel_Worksheet_Drawing;
													$objDrawing->setName((string)self::array_item($twoCellAnchor->pic->nvPicPr->cNvPr->attributes(), "name"));
													$objDrawing->setDescription((string)self::array_item($twoCellAnchor->pic->nvPicPr->cNvPr->attributes(), "descr"));
													$objDrawing->setPath("zip://" . PHPExcel_Shared_File::realpath($pFilename) . "#" . $images[(string)self::array_item($blip->attributes("http://schemas.openxmlformats.org/officeDocument/2006/relationships"), "embed")], false);
													$objDrawing->setCoordinates(PHPExcel_Cell::stringFromColumnIndex((string)$twoCellAnchor->from->col) . ($twoCellAnchor->from->row + 1));
													$objDrawing->setOffsetX(PHPExcel_Shared_Drawing::EMUToPixels($twoCellAnchor->from->colOff));
													$objDrawing->setOffsetY(PHPExcel_Shared_Drawing::EMUToPixels($twoCellAnchor->from->rowOff));
													$objDrawing->setResizeProportional(false);

													$objDrawing->setWidth(PHPExcel_Shared_Drawing::EMUToPixels(self::array_item($xfrm->ext->attributes(), "cx")));
													$objDrawing->setHeight(PHPExcel_Shared_Drawing::EMUToPixels(self::array_item($xfrm->ext->attributes(), "cy")));

													if ($xfrm)
													{
														$objDrawing->setRotation(PHPExcel_Shared_Drawing::angleToDegrees(self::array_item($xfrm->attributes(), "rot")));
													}
													if ($outerShdw)
													{
														$shadow = $objDrawing->getShadow();
														$shadow->setVisible(true);
														$shadow->setBlurRadius(PHPExcel_Shared_Drawing::EMUTopixels(self::array_item($outerShdw->attributes(), "blurRad")));
														$shadow->setDistance(PHPExcel_Shared_Drawing::EMUTopixels(self::array_item($outerShdw->attributes(), "dist")));
														$shadow->setDirection(PHPExcel_Shared_Drawing::angleToDegrees(self::array_item($outerShdw->attributes(), "dir")));
														$shadow->setAlignment((string)self::array_item($outerShdw->attributes(), "algn"));
														$shadow->getColor()->setRGB(self::array_item($outerShdw->srgbClr->attributes(), "val"));
														$shadow->setAlpha(self::array_item($outerShdw->srgbClr->alpha->attributes(), "val") / 1000);
													}
													$objDrawing->setWorksheet($docSheet);
												}
												elseif (($this->_includeCharts) && ($twoCellAnchor->graphicFrame))
												{
													$fromCoordinate = PHPExcel_Cell::stringFromColumnIndex((string)$twoCellAnchor->from->col) . ($twoCellAnchor->from->row + 1);
													$fromOffsetX = PHPExcel_Shared_Drawing::EMUToPixels($twoCellAnchor->from->colOff);
													$fromOffsetY = PHPExcel_Shared_Drawing::EMUToPixels($twoCellAnchor->from->rowOff);
													$toCoordinate = PHPExcel_Cell::stringFromColumnIndex((string)$twoCellAnchor->to->col) . ($twoCellAnchor->to->row + 1);
													$toOffsetX = PHPExcel_Shared_Drawing::EMUToPixels($twoCellAnchor->to->colOff);
													$toOffsetY = PHPExcel_Shared_Drawing::EMUToPixels($twoCellAnchor->to->rowOff);
													$graphic = $twoCellAnchor->graphicFrame->children("http://schemas.openxmlformats.org/drawingml/2006/main")->graphic;
													$chartRef = $graphic->graphicData->children("http://schemas.openxmlformats.org/drawingml/2006/chart")->chart;
													$thisChart = (string)$chartRef->attributes("http://schemas.openxmlformats.org/officeDocument/2006/relationships");

													$chartDetails[$docSheet->getTitle() . '!' . $thisChart] = array(
															'fromCoordinate' => $fromCoordinate,
															'fromOffsetX' => $fromOffsetX,
															'fromOffsetY' => $fromOffsetY,
															'toCoordinate' => $toCoordinate,
															'toOffsetX' => $toOffsetX,
															'toOffsetY' => $toOffsetY,
															'worksheetTitle' => $docSheet->getTitle()
													);
												}
											}
										}

									}
								}
							}

							// Loop through definedNames
							if ($xmlWorkbook->definedNames)
							{
								foreach ($xmlWorkbook->definedNames->definedName as $definedName)
								{
									// Extract range
									$extractedRange = (string)$definedName;
									$extractedRange = preg_replace('/\'(\w+)\'\!/', '', $extractedRange);
									if (($spos = strpos($extractedRange, '!')) !== false)
									{
										$extractedRange = substr($extractedRange, 0, $spos) . str_replace('$', '', substr($extractedRange, $spos));
									}
									else
									{
										$extractedRange = str_replace('$', '', $extractedRange);
									}

									// Valid range?
									if (stripos((string)$definedName, '#REF!') !== false || $extractedRange == '')
									{
										continue;
									}

									// Some definedNames are only applicable if we are on the same sheet...
									if ((string)$definedName['localSheetId'] != '' && (string)$definedName['localSheetId'] == $sheetId)
									{
										// Switch on type
										switch ((string)$definedName['name'])
										{

											case '_xlnm._FilterDatabase':
												if ((string)$definedName['hidden'] !== '1')
												{
													$docSheet->getAutoFilter()->setRange($extractedRange);
												}
												break;

											case '_xlnm.Print_Titles':
												// Split $extractedRange
												$extractedRange = explode(',', $extractedRange);

												// Set print titles
												foreach ($extractedRange as $range)
												{
													$matches = array();
													$range = str_replace('$', '', $range);

													// check for repeating columns, e g. 'A:A' or 'A:D'
													if (preg_match('/!?([A-Z]+)\:([A-Z]+)$/', $range, $matches))
													{
														$docSheet->getPageSetup()->setColumnsToRepeatAtLeft(array($matches[1], $matches[2]));
													}
													// check for repeating rows, e.g. '1:1' or '1:5'
													elseif (preg_match('/!?(\d+)\:(\d+)$/', $range, $matches))
													{
														$docSheet->getPageSetup()->setRowsToRepeatAtTop(array($matches[1], $matches[2]));
													}
												}
												break;

											case '_xlnm.Print_Area':
												$rangeSets = explode(',', $extractedRange); // FIXME: what if sheetname contains comma?
												$newRangeSets = array();
												foreach ($rangeSets as $rangeSet)
												{
													$range = explode('!', $rangeSet); // FIXME: what if sheetname contains exclamation mark?
													$rangeSet = isset($range[1]) ? $range[1] : $range[0];
													if (strpos($rangeSet, ':') === false)
													{
														$rangeSet = $rangeSet . ':' . $rangeSet;
													}
													$newRangeSets[] = str_replace('$', '', $rangeSet);
												}
												$docSheet->getPageSetup()->setPrintArea(implode(',', $newRangeSets));
												break;

											default:
												break;
										}
									}
								}
							}

							// Next sheet id
							++$sheetId;
						}

						// Loop through definedNames
						if ($xmlWorkbook->definedNames)
						{
							foreach ($xmlWorkbook->definedNames->definedName as $definedName)
							{
								// Extract range
								$extractedRange = (string)$definedName;
								$extractedRange = preg_replace('/\'(\w+)\'\!/', '', $extractedRange);
								if (($spos = strpos($extractedRange, '!')) !== false)
								{
									$extractedRange = substr($extractedRange, 0, $spos) . str_replace('$', '', substr($extractedRange, $spos));
								}
								else
								{
									$extractedRange = str_replace('$', '', $extractedRange);
								}

								// Valid range?
								if (stripos((string)$definedName, '#REF!') !== false || $extractedRange == '')
								{
									continue;
								}

								// Some definedNames are only applicable if we are on the same sheet...
								if ((string)$definedName['localSheetId'] != '')
								{
									// Local defined name
									// Switch on type
									switch ((string)$definedName['name'])
									{

										case '_xlnm._FilterDatabase':
										case '_xlnm.Print_Titles':
										case '_xlnm.Print_Area':
											break;

										default:
											if ($mapSheetId[(integer)$definedName['localSheetId']] !== null)
											{
												$range = explode('!', (string)$definedName);
												if (count($range) == 2)
												{
													$range[0] = str_replace("''", "'", $range[0]);
													$range[0] = str_replace("'", "", $range[0]);
													if ($worksheet = $docSheet->getParent()->getSheetByName($range[0]))
													{
														$extractedRange = str_replace('$', '', $range[1]);
														$scope = $docSheet->getParent()->getSheet($mapSheetId[(integer)$definedName['localSheetId']]);
														$excel->addNamedRange(new PHPExcel_NamedRange((string)$definedName['name'], $worksheet, $extractedRange, true, $scope));
													}
												}
											}
											break;
									}
								}
								else if (!isset($definedName['localSheetId']))
								{
									// "Global" definedNames
									$locatedSheet = null;
									$extractedSheetName = '';
									if (strpos((string)$definedName, '!') !== false)
									{
										// Extract sheet name
										$extractedSheetName = PHPExcel_Worksheet::extractSheetTitle((string)$definedName, true);
										$extractedSheetName = $extractedSheetName[0];

										// Locate sheet
										$locatedSheet = $excel->getSheetByName($extractedSheetName);

										// Modify range
										$range = explode('!', $extractedRange);
										$extractedRange = isset($range[1]) ? $range[1] : $range[0];
									}

									if ($locatedSheet !== null)
									{
										$excel->addNamedRange(new PHPExcel_NamedRange((string)$definedName['name'], $locatedSheet, $extractedRange, false));
									}
								}
							}
						}
					}

					if ((!$this->_readDataOnly) || (!empty($this->_loadSheetsOnly)))
					{
						// active sheet index
						$activeTab = intval($xmlWorkbook->bookViews->workbookView["activeTab"]); // refers to old sheet index

						// keep active sheet index if sheet is still loaded, else first sheet is set as the active
						if (isset($mapSheetId[$activeTab]) && $mapSheetId[$activeTab] !== null)
						{
							$excel->setActiveSheetIndex($mapSheetId[$activeTab]);
						}
						else
						{
							if ($excel->getSheetCount() == 0)
							{
								$excel->createSheet();
							}
							$excel->setActiveSheetIndex(0);
						}
					}
					break;
			}

		}


		if (!$this->_readDataOnly)
		{
			$contentTypes = simplexml_load_string($this->_getFromZipArchive($zip, "[Content_Types].xml"));
			foreach ($contentTypes->Override as $contentType)
			{
				switch ($contentType["ContentType"])
				{
					case "application/vnd.openxmlformats-officedocument.drawingml.chart+xml":
						if ($this->_includeCharts)
						{
							$chartEntryRef = ltrim($contentType['PartName'], '/');
							$chartElements = simplexml_load_string($this->_getFromZipArchive($zip, $chartEntryRef));
							$objChart = PHPExcel_Reader_Excel2007_Chart::readChart($chartElements, basename($chartEntryRef, '.xml'));

							//							echo 'Chart ',$chartEntryRef,'<br />';
							//							var_dump($charts[$chartEntryRef]);
							//
							if (isset($charts[$chartEntryRef]))
							{
								$chartPositionRef = $charts[$chartEntryRef]['sheet'] . '!' . $charts[$chartEntryRef]['id'];
								//								echo 'Position Ref ',$chartPositionRef,'<br />';
								if (isset($chartDetails[$chartPositionRef]))
								{
									//									var_dump($chartDetails[$chartPositionRef]);

									$excel->getSheetByName($charts[$chartEntryRef]['sheet'])->addChart($objChart);
									$objChart->setWorksheet($excel->getSheetByName($charts[$chartEntryRef]['sheet']));
									$objChart->setTopLeftPosition($chartDetails[$chartPositionRef]['fromCoordinate'], $chartDetails[$chartPositionRef]['fromOffsetX'], $chartDetails[$chartPositionRef]['fromOffsetY']);
									$objChart->setBottomRightPosition($chartDetails[$chartPositionRef]['toCoordinate'], $chartDetails[$chartPositionRef]['toOffsetX'], $chartDetails[$chartPositionRef]['toOffsetY']);
								}
							}
						}
				}
			}
		}

		$zip->close();

		return $excel;
	}


	private static function _readColor($color, $background = false) {
		if (isset($color["rgb"]))
		{
			return (string)$color["rgb"];
		}
		else if (isset($color["indexed"]))
		{
			return PHPExcel_Style_Color::indexedColor($color["indexed"] - 7, $background)->getARGB();
		}
		else if (isset($color["theme"]))
		{
			if (self::$_theme !== null)
			{
				$returnColour = self::$_theme->getColourByIndex((int)$color["theme"]);
				if (isset($color["tint"]))
				{
					$tintAdjust = (float)$color["tint"];
					$returnColour = PHPExcel_Style_Color::changeBrightness($returnColour, $tintAdjust);
				}

				return 'FF' . $returnColour;
			}
		}

		if ($background)
		{
			return 'FFFFFFFF';
		}

		return 'FF000000';
	}


	private static function _readStyle($docStyle, $style) {
		// format code
		//		if (isset($style->numFmt)) {
		//			if (isset($style->numFmt['formatCode'])) {
		//				$docStyle->getNumberFormat()->setFormatCode((string) $style->numFmt['formatCode']);
		//			} else {
		$docStyle->getNumberFormat()->setFormatCode($style->numFmt);
		//			}
		//		}

		// font
		if (isset($style->font))
		{
			$docStyle->getFont()->setName((string)$style->font->name["val"]);
			$docStyle->getFont()->setSize((string)$style->font->sz["val"]);
			if (isset($style->font->b))
			{
				$docStyle->getFont()->setBold(!isset($style->font->b["val"]) || self::boolean((string)$style->font->b["val"]));
			}
			if (isset($style->font->i))
			{
				$docStyle->getFont()->setItalic(!isset($style->font->i["val"]) || self::boolean((string)$style->font->i["val"]));
			}
			if (isset($style->font->strike))
			{
				$docStyle->getFont()->setStrikethrough(!isset($style->font->strike["val"]) || self::boolean((string)$style->font->strike["val"]));
			}
			$docStyle->getFont()->getColor()->setARGB(self::_readColor($style->font->color));

			if (isset($style->font->u) && !isset($style->font->u["val"]))
			{
				$docStyle->getFont()->setUnderline(PHPExcel_Style_Font::UNDERLINE_SINGLE);
			}
			else if (isset($style->font->u) && isset($style->font->u["val"]))
			{
				$docStyle->getFont()->setUnderline((string)$style->font->u["val"]);
			}

			if (isset($style->font->vertAlign) && isset($style->font->vertAlign["val"]))
			{
				$vertAlign = strtolower((string)$style->font->vertAlign["val"]);
				if ($vertAlign == 'superscript')
				{
					$docStyle->getFont()->setSuperScript(true);
				}
				if ($vertAlign == 'subscript')
				{
					$docStyle->getFont()->setSubScript(true);
				}
			}
		}

		// fill
		if (isset($style->fill))
		{
			if ($style->fill->gradientFill)
			{
				$gradientFill = $style->fill->gradientFill[0];
				if (!empty($gradientFill["type"]))
				{
					$docStyle->getFill()->setFillType((string)$gradientFill["type"]);
				}
				$docStyle->getFill()->setRotation(floatval($gradientFill["degree"]));
				$gradientFill->registerXPathNamespace("sml", "http://schemas.openxmlformats.org/spreadsheetml/2006/main");
				$docStyle->getFill()->getStartColor()->setARGB(self::_readColor(self::array_item($gradientFill->xpath("sml:stop[@position=0]"))->color));
				$docStyle->getFill()->getEndColor()->setARGB(self::_readColor(self::array_item($gradientFill->xpath("sml:stop[@position=1]"))->color));
			}
			elseif ($style->fill->patternFill)
			{
				$patternType = (string)$style->fill->patternFill["patternType"] != '' ? (string)$style->fill->patternFill["patternType"] : 'solid';
				$docStyle->getFill()->setFillType($patternType);
				if ($style->fill->patternFill->fgColor)
				{
					$docStyle->getFill()->getStartColor()->setARGB(self::_readColor($style->fill->patternFill->fgColor, true));
				}
				else
				{
					$docStyle->getFill()->getStartColor()->setARGB('FF000000');
				}
				if ($style->fill->patternFill->bgColor)
				{
					$docStyle->getFill()->getEndColor()->setARGB(self::_readColor($style->fill->patternFill->bgColor, true));
				}
			}
		}

		// border
		if (isset($style->border))
		{
			$diagonalUp = self::boolean((string)$style->border["diagonalUp"]);
			$diagonalDown = self::boolean((string)$style->border["diagonalDown"]);
			if (!$diagonalUp && !$diagonalDown)
			{
				$docStyle->getBorders()->setDiagonalDirection(PHPExcel_Style_Borders::DIAGONAL_NONE);
			}
			elseif ($diagonalUp && !$diagonalDown)
			{
				$docStyle->getBorders()->setDiagonalDirection(PHPExcel_Style_Borders::DIAGONAL_UP);
			}
			elseif (!$diagonalUp && $diagonalDown)
			{
				$docStyle->getBorders()->setDiagonalDirection(PHPExcel_Style_Borders::DIAGONAL_DOWN);
			}
			else
			{
				$docStyle->getBorders()->setDiagonalDirection(PHPExcel_Style_Borders::DIAGONAL_BOTH);
			}
			self::_readBorder($docStyle->getBorders()->getLeft(), $style->border->left);
			self::_readBorder($docStyle->getBorders()->getRight(), $style->border->right);
			self::_readBorder($docStyle->getBorders()->getTop(), $style->border->top);
			self::_readBorder($docStyle->getBorders()->getBottom(), $style->border->bottom);
			self::_readBorder($docStyle->getBorders()->getDiagonal(), $style->border->diagonal);
		}

		// alignment
		if (isset($style->alignment))
		{
			$docStyle->getAlignment()->setHorizontal((string)$style->alignment["horizontal"]);
			$docStyle->getAlignment()->setVertical((string)$style->alignment["vertical"]);

			$textRotation = 0;
			if ((int)$style->alignment["textRotation"] <= 90)
			{
				$textRotation = (int)$style->alignment["textRotation"];
			}
			else if ((int)$style->alignment["textRotation"] > 90)
			{
				$textRotation = 90 - (int)$style->alignment["textRotation"];
			}

			$docStyle->getAlignment()->setTextRotation(intval($textRotation));
			$docStyle->getAlignment()->setWrapText(self::boolean((string)$style->alignment["wrapText"]));
			$docStyle->getAlignment()->setShrinkToFit(self::boolean((string)$style->alignment["shrinkToFit"]));
			$docStyle->getAlignment()->setIndent(intval((string)$style->alignment["indent"]) > 0 ? intval((string)$style->alignment["indent"]) : 0);
		}

		// protection
		if (isset($style->protection))
		{
			if (isset($style->protection['locked']))
			{
				if (self::boolean((string)$style->protection['locked']))
				{
					$docStyle->getProtection()->setLocked(PHPExcel_Style_Protection::PROTECTION_PROTECTED);
				}
				else
				{
					$docStyle->getProtection()->setLocked(PHPExcel_Style_Protection::PROTECTION_UNPROTECTED);
				}
			}

			if (isset($style->protection['hidden']))
			{
				if (self::boolean((string)$style->protection['hidden']))
				{
					$docStyle->getProtection()->setHidden(PHPExcel_Style_Protection::PROTECTION_PROTECTED);
				}
				else
				{
					$docStyle->getProtection()->setHidden(PHPExcel_Style_Protection::PROTECTION_UNPROTECTED);
				}
			}
		}
	}


	private static function _readBorder($docBorder, $eleBorder) {
		if (isset($eleBorder["style"]))
		{
			$docBorder->setBorderStyle((string)$eleBorder["style"]);
		}
		if (isset($eleBorder->color))
		{
			$docBorder->getColor()->setARGB(self::_readColor($eleBorder->color));
		}
	}


	private function _parseRichText($is = null) {
		$value = new PHPExcel_RichText();

		if (isset($is->t))
		{
			$value->createText(PHPExcel_Shared_String::ControlCharacterOOXML2PHP((string)$is->t));
		}
		else
		{
			foreach ($is->r as $run)
			{
				if (!isset($run->rPr))
				{
					$objText = $value->createText(PHPExcel_Shared_String::ControlCharacterOOXML2PHP((string)$run->t));

				}
				else
				{
					$objText = $value->createTextRun(PHPExcel_Shared_String::ControlCharacterOOXML2PHP((string)$run->t));

					if (isset($run->rPr->rFont["val"]))
					{
						$objText->getFont()->setName((string)$run->rPr->rFont["val"]);
					}

					if (isset($run->rPr->sz["val"]))
					{
						$objText->getFont()->setSize((string)$run->rPr->sz["val"]);
					}

					if (isset($run->rPr->color))
					{
						$objText->getFont()->setColor(new PHPExcel_Style_Color(self::_readColor($run->rPr->color)));
					}

					if ((isset($run->rPr->b["val"]) && self::boolean((string)$run->rPr->b["val"])) || (isset($run->rPr->b) && !isset($run->rPr->b["val"])))
					{
						$objText->getFont()->setBold(true);
					}

					if ((isset($run->rPr->i["val"]) && self::boolean((string)$run->rPr->i["val"])) || (isset($run->rPr->i) && !isset($run->rPr->i["val"])))
					{
						$objText->getFont()->setItalic(true);
					}

					if (isset($run->rPr->vertAlign) && isset($run->rPr->vertAlign["val"]))
					{
						$vertAlign = strtolower((string)$run->rPr->vertAlign["val"]);
						if ($vertAlign == 'superscript')
						{
							$objText->getFont()->setSuperScript(true);
						}
						if ($vertAlign == 'subscript')
						{
							$objText->getFont()->setSubScript(true);
						}
					}

					if (isset($run->rPr->u) && !isset($run->rPr->u["val"]))
					{
						$objText->getFont()->setUnderline(PHPExcel_Style_Font::UNDERLINE_SINGLE);
					}
					else if (isset($run->rPr->u) && isset($run->rPr->u["val"]))
					{
						$objText->getFont()->setUnderline((string)$run->rPr->u["val"]);
					}

					if ((isset($run->rPr->strike["val"]) && self::boolean((string)$run->rPr->strike["val"])) || (isset($run->rPr->strike) && !isset($run->rPr->strike["val"])))
					{
						$objText->getFont()->setStrikethrough(true);
					}
				}
			}
		}

		return $value;
	}


	private static function array_item($array, $key = 0) {
		return (isset($array[$key]) ? $array[$key] : null);
	}


	private static function dir_add($base, $add) {
		return preg_replace('~[^/]+/\.\./~', '', dirname($base) . "/$add");
	}


	private static function toCSSArray($style) {
		$style = str_replace(array("\r", "\n"), "", $style);

		$temp = explode(';', $style);
		$style = array();
		foreach ($temp as $item)
		{
			$item = explode(':', $item);

			if (strpos($item[1], 'px') !== false)
			{
				$item[1] = str_replace('px', '', $item[1]);
			}
			if (strpos($item[1], 'pt') !== false)
			{
				$item[1] = str_replace('pt', '', $item[1]);
				$item[1] = PHPExcel_Shared_Font::fontSizeToPixels($item[1]);
			}
			if (strpos($item[1], 'in') !== false)
			{
				$item[1] = str_replace('in', '', $item[1]);
				$item[1] = PHPExcel_Shared_Font::inchSizeToPixels($item[1]);
			}
			if (strpos($item[1], 'cm') !== false)
			{
				$item[1] = str_replace('cm', '', $item[1]);
				$item[1] = PHPExcel_Shared_Font::centimeterSizeToPixels($item[1]);
			}

			$style[$item[0]] = $item[1];
		}

		return $style;
	}

	private static function boolean($value = null) {
		if (is_numeric($value))
		{
			return (bool)$value;
		}

		return ($value === 'true' || $value === 'TRUE') ? true : false;
	}
}
